Surge Protection Device Voltage 347/600V AC Wye Phase Three Voltage Protection Rating 1800V (L-N) 3000V (L-L) Max Continuing Operating Voltage 510 V AC Nominal Discharge Current 10 kA Modes of Protection L-L L-N Mounting Location Externally Mounted Filtering No Modular No Amps 40 A Color Black Mounting Style Chase Nipple Enclosure NEMA Rating 4X Number of Poles 3 Basic Material Nonmetallic Number of Wires 4 Wires System Connection Parallel Max Surge Current per Phase 40 kA